Climate and monthly weather forecast
Montrose, IL

Share

Weather in January

January, like December, in Montrose, Illinois, is another cold winter month, with an average temperature varying between 35.2°F (1.8°C) and 23°F (-5°C). January, with its average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23°F (-5°C), holds the record as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Montrose, Illinois, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 26.4°F (-3.1°C). Montrose starts February with an average high-temperature of a still wintry 40.3°F (4.6°C), hinting at a minimal fluctuation from January. Weather in February »

Weather in March

March, the first month of the spring in Montrose, is a cool month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 52°F (11.1°C). The shift into March is accompanied by a temperature increase, with the average high-temperature rising from a cold 40.3°F (4.6°C) in February to a fresh 52°F (11.1°C). Weather in March »

Weather in April

April is a refreshing spring month in Montrose, Illinois, with an average temperature varying between 63.3°F (17.4°C) and 46.6°F (8.1°C). Montrose, Illinois, in April experiences an increase in the average high-temperature, moving from March's fresh 52°F (11.1°C) to an enjoyable 63.3°F (17.4°C). Weather in April »

Weather in May

May, the last month of the spring in Montrose, is a moderately hot month, with an average temperature ranging between min 56.8°F (13.8°C) and max 73.4°F (23°C). May's arrival coincides with a temperature rise, moving from April's comfortable 63.3°F (17.4°C) to a moderately hot 73.4°F (23°C). Weather in May »

Weather in June

June, the first month of the summer in Montrose, is still a warm month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 65.5°F (18.6°C). With the start of June, the average high-temperature marginally shifts from May's moderately hot 73.4°F (23°C) to a still warm 81.7°F (27.6°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Montrose, Illinois, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.6°F (19.2°C). July is the warmest month, exhibiting average temperatures of 83.3°F (28.5°C) at the peak and 66.6°F (19.2°C) at the base. The heat index for July is evaluated at a tropical 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Montrose, is also a moderately hot month, with an average temperature fluctuating between 64.8°F (18.2°C) and 82°F (27.8°C). Montrose indicates an average high-temperature of a still warm 82°F (27.8°C) in August, showing minor variation from July's 83.3°F (28.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Montrose, Illinois, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 77.4°F (25.2°C). With the start of September, Montrose measures an average high-temperature of a still moderately hot 77.4°F (25.2°C), not significantly differing from August's 82°F (27.8°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Montrose, Illinois, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 48.4°F (9.1°C). The average high-temperature decreases in October, shifting from a warm 77.4°F (25.2°C) in September to an enjoyable 64.9°F (18.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Montrose, is also a fresh month, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 36.9°F (2.7°C). The arrival of November signals a shift in temperature, down from a comfortable 64.9°F (18.3°C) in October to a fresh 51.1°F (10.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Montrose, Illinois, with an average temperature fluctuating between 40.3°F (4.6°C) and 29.1°F (-1.6°C). Montrose experiences a temperature shift at the start of December, with average high-temperatures adjusting from a cool 51.1°F (10.6°C) in November to a cold 40.3°F (4.6°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

Montrose's January weather reaches an average high of 35.2°F (1.8°C) and an average low of 23°F (-5°C), making it the coldest month.

How much does it rain?

In Montrose, during the entire year, the rain falls for 135.9 days and collects up to 21.89" (556mm) of precipitation.

When does it snow?

January through April, November and December are months with snowfall.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 4.8 days and typically aggregates up to 1.18" (30mm) of snow.

How many days does it snow?

Throughout the year, there are 17.7 snowfall days, and 4.17" (106mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.3h of sunshine.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 7.6 days and typically collects 1.06" (27mm) of precipitation.

When is Daylight Saving Time (DST) in Montrose?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month?

April is the month with the most rainfall. Rain falls for 14 days and accumulates 2.83" (72mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

When are the longest days in Montrose?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.5h of sunshine.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month?

Montrose's temperature records reveal July as the warmest month, marked by average highs of 83.3°F (28.5°C) and lows of 66.6°F (19.2°C).

What is the most humid month?

With an average relative humidity of 82%, July is the most humid month.

What is the least humid month in Montrose?

October is the least humid month, with an average relative humidity of 71%.

What is the month with the shortest days in Montrose?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Montrose, IL

Average temperature - Montrose, IL

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure
Montrose, IL

Average pressure - Montrose, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Montrose, IL

Average wind speed - Montrose, IL

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity
Montrose, IL

Average humidity - Montrose, IL

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Montrose, IL

Average rainfall - Montrose, IL

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days
Montrose, IL

Average rainfall days - Montrose, IL

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall
Montrose, IL

Average snowfall - Montrose, IL

The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Montrose, IL

Average snowfall days - Montrose, IL

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Montrose, IL

Average daylight / Average sunshine - Montrose, IL

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days
Montrose, IL

Average sunshine days - Montrose, IL

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.9 days).

Average UV index
Montrose, IL

Average UV index - Montrose, IL

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Montrose, IL

Average cloud cover - Montrose, IL

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).

Average visibility
Montrose, IL

Average visibility - Montrose, IL

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Montrose, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location